Active NPI
Charmaine Ong, MD
- Anesthesiology Physician
- Chicago, IL
National Provider Identifier
1871351114
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Anesthesiology Physician
- License
- 125.086157
- Practice address
- 1740 W Taylor St
Chicago, IL 60612-7232 - Phone
- (866) 600-2273
- NPI assigned
- Mar 11, 2024
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Anesthesiology Physician | 207L00000X | 125.086157 | IL | Primary |
Addresses
Primary practice location
1740 W Taylor St
Chicago, IL 60612-7232
Mailing address
820 S Wood St MC 675
Chicago, IL 60612-3037
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IL
- Eligible to order & refer
- Part B services: No
- Medical equipment: Yes
- Home health: No
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20250606002754 | IL | Order and Referring Only - Anesthesiology | 2769992965 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1710115200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1750636800000",
"number": "1871351114",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "820 S WOOD ST MC 675",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606123037"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1740 W TAYLOR ST",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606127232",
"telephone_number": "866-600-2273"
}
],
"practiceLocations": [],
"basic": {
"last_name": "ONG",
"first_name": "CHARMAINE",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2024-03-11",
"last_updated": "2025-06-23",
"certification_date": "2025-06-23",
"status": "A"
},
"taxonomies": [
{
"code": "207L00000X",
"taxonomy_group": "",
"desc": "Anesthesiology",
"state": "IL",
"license": "125.086157",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Chicago, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.